package cn.tfyhyc.springcloud.service;

import org.springframework.web.bind.annotation.RequestParam;

import java.math.BigDecimal;

/**
 * @author 头发又黑又长
 * @Date 2022/10/30 16:25
 * @email zwb15083976291@163.com
 */
public interface AccountService {
    void decrease(Long userId, BigDecimal money);
}
